The Big Bang Theory

The Staircase Implementation

Season 3: Episode 22    | Next

Airs: Monday, May 17 2010 at 11:00am on CBS TV TV-PG Comedy (Genre) Writer: Chuck Lorre, Bill Prady, Steve Molaro, Steve Holland, Jim Reynolds Composers:Gregory Sweeney

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Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator.

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